//导入
import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '@/components/login.vue'
import Home from '@/components/Home.vue'
import Welcome from '@/components/Welcome.vue'
import Users from '@/components/user/Users.vue'
import Rights from '@/components/power/Rights.vue'
import Roles from '@/components/power/Roles.vue'
//注册
Vue.use(VueRouter)

//设定规则
const routes = [{
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/Home',
    component: Home,
    redirect: '/Welcome',
    children: [{
        path: '/Welcome',
        component: Welcome
      },
      {
        path: '/users',
        component: Users
      }, {
        path: '/rights',
        component: Rights
      },
      {
        path: '/roles',
        component: Roles
      }
    ]
  }
]

const router = new VueRouter({
  routes
})

//路由导航守卫
router.beforeEach((to, from, next) => {
  if (to.path == '/login') return next()
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})

export default router
